Bifurcations of vortex-induced vibrations of a fixed membrane wing at Re 1000 | |
Sun X; Wang SZ(王士召); Zhang JZ; Ye ZH | |
发表期刊 | NONLINEAR DYNAMICS |
2018-03-01 | |
卷号 | 91期号:4页码:2097-2112 |
ISSN | 0924-090X |
摘要 | Vortex-induced vibrations (VIVs) of a fixed two-dimensional perimeter-reinforced (PR) membrane wing at Re (Reynolds number) 1000 and (angle of attack) 30 are investigated using fluid-structure interaction simulations. By employing very fine increments for Re and , bifurcation boundaries of the dynamic response of the membrane wing in the Re- plane are captured. With increase in Re and/or , it is found that the VIV state of a fixed PR membrane wing will change progressively from static state to period 1 via a Hopf bifurcation and then from period 1 to multiple period and chaos via a succession of period-doubling bifurcations. The Hopf bifurcation is triggered by the shedding of the leading- and/or trailing-edge vortices, while the period-doubling bifurcations are induced by the appearance and evolution of the secondary vortices on the upper surface of the membrane wing at higher Re and . With an increase in the structure rigidity or pre-strain, the overall responses of the membrane wing are not changed much in the Re- plane except that the period 1 response near and is destroyed, due to the significant change of the shedding process of the leading-edge vortices. Moreover, it is also found that unsteady responses of the PR membrane wing at can be suppressed by small pre-strain. |
关键词 | Membrane wing Vortex-induced vibration Numerical simulation Bifurcation Fluid-structure interaction |
DOI | 10.1007/s11071-017-4004-1 |
URL | 查看原文 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000425543500003 |
关键词[WOS] | MICRO AIR VEHICLES ; AERODYNAMIC COEFFICIENTS ; FLEXIBLE MEMBRANE ; FLOW ; AEROMECHANICS ; COMPUTATION |
WOS研究方向 | Engineering, Mechanical ; Mechanics |
WOS类目 | Engineering ; Mechanics |
项目资助者 | National Natural Science Foundation of China [51506224] ; Opening Fund of State Key Laboratory of Nonlinear Mechanics ; Science Foundation of China University of Petroleum-Beijing [C201602] |
论文分区 | 一类 |
力学所作者排名 | 2 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/77914 |
专题 | 非线性力学国家重点实验室 |
作者单位 | 1.[Sun, Xu 2.China Univ Petr, Natl Engn Lab Pipeline Safety, MOE Key Lab Petr Engn, Beijing 102249, Peoples R China 3.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China 4.Xi An Jiao Tong Univ, Sch Energy & Power Engn, Xian 710049, Shaanxi, Peoples R China |
推荐引用方式 GB/T 7714 | Sun X,Wang SZ,Zhang JZ,et al. Bifurcations of vortex-induced vibrations of a fixed membrane wing at Re 1000[J]. NONLINEAR DYNAMICS,2018,91,4,:2097-2112. |
APA | Sun X,王士召,Zhang JZ,&Ye ZH.(2018).Bifurcations of vortex-induced vibrations of a fixed membrane wing at Re 1000.NONLINEAR DYNAMICS,91(4),2097-2112. |
MLA | Sun X,et al."Bifurcations of vortex-induced vibrations of a fixed membrane wing at Re 1000".NONLINEAR DYNAMICS 91.4(2018):2097-2112. |
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